This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A076715 #3 Mar 30 2012 17:23:17 %S A076715 0,6,210,7140,242556,8239770,279909630,9508687656,323015470680 %N A076715 Duplicate of A029549. %F A076715 a(n) = Binomial(A046090(n), 2). - _Mitch Harris_, Apr 19 2007 %K A076715 dead %O A076715 1,2